6387136 has 56 divisors (see below), whose sum is σ = 14813280. Its totient is φ = 2675712.

The previous prime is 6387131. The next prime is 6387179. The reversal of 6387136 is 6317836.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6387131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23610 + ... + 23878.

Almost surely, 2^6387136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6387136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7406640).

6387136 is an abundant number, since it is smaller than the sum of its proper divisors (8426144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6387136 is a wasteful number, since it uses less digits than its factorization.

6387136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 331 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 6387136 is about 2527.2783780185. The cubic root of 6387136 is about 185.5390753262.

The spelling of 6387136 in words is "six million, three hundred eighty-seven thousand, one hundred thirty-six".